Machine for printing on wood



(No Model.) 6 Sheets-Sheet 2.

G. O. HALBLAUB. MACHINE FOR PRINTING 0N WOOD.

$44.16 flea. 6. ZZ/azeZ we mmms P215 :0, mom humo WASHINGTON, n c

(No Model.) 6 Sheets-Sheet 3.

G. 0. HALBLAUB. MAGHINE FOR PRINTING ON WOOD. No 597,975. Patented Jan.25, 1898.

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S x W? 1 u (No Model.) e SheetsSheet 4. G. G. HALBLAUB.

MACHINE FOR PRINTING 0N WOOD.

Patented Jan. 25, 1898.

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(No Model.) 6 SheetsSheet 5.

G. 0. HALBLAUB. MACHINE FOR PRINTING 0N WOOD.

No. 597,975. Patented Jan. 25,1898

1320671507 62a djhzizflzz I (No Model.) 6 Sheets-Sheet 8.

G. C. HALBLAUB. MAGHINE FOR PRINTING 0N WOODQ Patented Jam 25, 1898.

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GEORGE C. HALBLAUB, OF CHICAGO, ILLINOIS.

MACHINE FOR PRINTING ON WOOD.

V SPECIFICATION forming part of Letters latent No. 597,975, datedJanuary 25, 1898. Application filed August 17,1896. Serial No. 603,081.(in model.)

To all whom it may concern:

Be it known that I, GEORGE C. HALBLAUB, a citizen of the United States,residing at Ohicago, in the county of Cook and State of Illinois, haveinvented certain new and useful Improvements in Machines for Printing onWood; and I do hereby declare the following to be a full, clear, andexact description of the same, reference being had to the accompanyingdrawings, forminga part of this specification. v

This invention relates to the rotary class of printing-presses forprinting on Wooden signboards, box-covers, and like articles, and moreespecially to that particular order of printingmachines in which theprinting is eifected in two or more colors simultaneously; and thepresent improvement has for its object, first, to provide, in connectionwith the series of colored-ink fountains of a printing-machine, a simpleand efficient arrangement of the different inking-rollers that apply theinks to the cylindrical printing-plates and in which such inking-rollersare independently moved into a non-inking position or back intoan'inking positionin an automatic and regulatable manner, so as to inkonly a predetermined part of the revolving printing-plate with thespecial colored ink carried by any particular set of saidinking-rollers, as will hereinafter more fully appear, and he moreparticularly pointed out in the claims, second, to provide a simple,durable, and convenient construction and arrangement of the operatingmechanism of the different rolls that evenly distribute andink-transferring roll that vibrates between the fountain-roll and thetransversely-reciprocating ink-spreading roll to transfer a quan tity ofink from one to the otherat each revolution of the ink-spreading-rolland which admits of the ready and convenient removal of such inktransferring roll for the purpose of I cleaning, replacement, the, anautomaticallyoperating mechanism for holding such transferring-roll incontact with the inlnfountain roll during the interval that suchfountain roll has an intermittent part revolution imparted to it, afterwhich the transfer-roll is lowered into contact with thetransverselyreciprocating spreading-roll to transfer thereto the supplyof ink just received from the fountain-roll, and a simple and durablearrangement of a single cam common to all the ink-fountains and by meansof which the different transversely-reciprocatin g ink-spreading rollsof a series of colored-ink fountains are operated in' common, all aswill hereinafter more fully appear, and be more particularly pointedoutin the claims; third, to provide a simple and effective means forholding the ink-fountain in place in an adjustable manner, so that thesame, with the fountainroll, will becapable of vertical adjustment withrelation to the other parts of the inking mechanism and-with which thehorizontal position of the ink-fountain may be maintained regardless'ofthe adjustment of the otherparts to or from a vertical position, as willhereinafter more fully appear; fourth, to provide a strong andconvenient construction and connection of the printing-machine table andthe journal-boxes of the impression-cylinder, so as to admit of theready detachment and replacement of such table when required, and,fifth, to provide, in connection with the plate-carrying cylinder, asimple and effective clamping mechanism for clamping or holding theprinting plate or plates in position upon such cylinder, as willhereinafter more fully appear, and be more particularly pointed out inthe claims. I attain such objects by the construction and arrangement ofparts illustrated in the accompanying drawings, in which- Figure 1 is aside elevation, partly in section, on line (.1350, Fig. 2, of aprinting-machine constructed in accordance with the present invention;Fig. 1 a detail horizontal section pawl is carried by a carrier-arm 35,journaled on the shaft of the fountain-roller with its free endconnected in an adjustable manner to the operating cam-lever 36 by meansof a link connection 37, as illustrated in Figs. 3 and a. The lever 36is of the bell-crank order, journaled on the shaft 40, its short armbeing in the path of an operating-cam 38 on the shaft of theendwise-reciprocating inkspreading roller 25, so'that in the rotation ofthe roller 25 the above-described mechanism will impart an intermittentrotary movement to the fountain-roller As shown in Fig.

4 of the drawings, the cam 38 will be of sufIicient width or face as notto leave its operative engagement with the cam-lever 36 durin g theendwise movement of such cam, along with the spreading-roller 25, in itsendwise movement.

As represented in Figs. 3, 4,7, and 9 of the drawings, the oscillatingtransferroller 24 is journaled in the free ends of rock-arms 39, thatare fixedly secured to a rock-shaft 40, journaled in the side housing20, and have spring attachments, as hereinafter described, the tendencyof which is to force the oscillating roller 24 into contact with thedistributing-roller 25.

41 is a cam-arm on the rock-shaft 4.0, that projects into the path of anoperatingcam 42 on the shaft of the endwise-reciprocatingspreading-roller 25, so that in the rotation of the roller 25 thetransfer-roller 24 will he oscillated up into contact with thefountainroller 22 and then back into contact with the spreading-roller25.

The cam 42 has a concentric outer surface of some length, as shown inFigs. 3 and 9, so that it will hold the oscillating transfer-roller 2-1in contact with the fountain-roller for a space of time and usuallyduring the intermittent rotation of such fountain-roller, so as toreceive a sufficient quantity of ink, and to this end the cams 3S and 42are so positioned with relation to each other as to cause the above,results to take place.

In the present improvement the rock-arms 39 are made in sections,secured together by a socket-joint and set-screw 43, so as to ad mit ofa ready detachment and a removal from the machine of the oscillatingroller 24, with the-journal portions or sections of such rock-armsattached to the shaft of such roller.

The endwise-reciprocating spreading-roller 25 is provided with anelongated shaft that has at each end a combined rotary and slidingmovement in orifices in the side housings 20, as usual.

In the present invention one end of the shaft is provided with fixedcollars ehbetween which engages the upper yoke portion of a sliding head45, that is adapted to slide upon a guide-stud 46, secured to main frame1, and which at its lower end is'provided with a roller or othersuitable head to engage in the groove of an operating-cam 47, secured tothe supporting-shaft of the main printing-cylinder 4, and which cam iscommon to and actuates the operating-heads 45 of the whole series ofcolor-inking mechanisms regardless of the number of such mechanisms usedin connection with the printing-machine.

The plate-inking rollers 26, two in number in eachicolor-inkingmechanism, are in the present invention adapted to move awayfrom theprinting-plate carried by the main cylinder, so as not to be in inkingcontact therewith except at the required time; and to this end saidrollers are arranged to move in an arc of a circle the center of whichis the same as the spreading-roller 25, the shafts of the rollers 26being so guided by open sided curved slots 48 that permit of the readyremoval of the said rollers when required.

49 are suspension-hooks, the lower hooked ends of which engage theshafts of the plateinking rollers 26, while the upper ends thereof areconnected to rock-arms 50 on the pair of rock-shafts 51, journaled inthe side housings 20 of the inking mechanism.

Automatic movement is imparted the abovedescribed rock shafts and armsby means of a vertically-sliding head 52 at each side of themechanism'that is provided with toe projections 53, that engage under arock-arm of each respective rock-shaft to impart motion thereto. Thevertically-sliding heads 52 are adapted to assume two different anddistinct positions, to wit: an up position, in which the inking-rollersare drawn up out of inking contact with the circular printingplate, anda down position, in which said rollers are in inking contact with thecircular printing-plate. These two positions of the vertically-slidingheads are attained by the cams 5i, turning with their tubular shafts 55upon fixed studs 55, attached to the respective side housing 20. Thecams will have alternate high and low spots or surfaces 56 and 57 aroundtheir peripheries, usually siXin number, as shown. With thisconstruction when the lower end of the sliding head 52 is at rest uponthe low portion 57 of the cam the inking-rollers 26 are in inkingcontact with the printing-plate of the main cylinder, and when suchlower end of the sliding head is at rest upon the high portion 56 of thecam such inking-rollers are in a non-inking position with relation tosaid circular printingplate. Intermittent and automatic movement isimparted to the cam to turn the same to attain the above results bymechanism as follows:

58 are spur-wheels secured to the tubular shafts 55 of the cams 54c andhaving the same number of spurs or teeth as there are faces on the saidcams.

59 are a pair of drums arranged at each side of the machine upon theshaft of the main IIO printing-cylinder4 and adapted to turn therewith.are one or more spur projections secured to the periphery of said drumsand adapted to engage the sprocket-wheels 58 to turn the cams 54 from ahigh to a low position, or vice versa, and theseprojections are adaptedto be adjusted circumferentially, so as to operate the inking-rollers inthe manner required. In order to readily efiect such circumferentialadjustment of the spur projections on the periphery of the drums 59, aswell as actuate each cam independently by its individual spurprojection, the following arrangement of parts are provided: 61 are aseries of undercut circumferential grooves formed in the periphery ofsaid drums, equal in number to the number of color-inking mechanismsupon the machine. In these grooves the individual spur projections 60are adjustably clamped in place by means of a clamping screw 62,screwing into the wedge-shaped body portion 63 of the spur projectionand adaptedto draw the same outward against the undercut portions of thegrooves 61 to clamp or bind said body portion firmly in place. 64 is abridge-piece spanning said groove 61 and forming a bearing for the headof the clamping-screw 62.

In the construction shown in Fig. 7 the bridge-piece 64 is formed withdownturned lips 65, that are adapted to enter circumferential recesses66 in the periphery of the drum to tie the metal ribs left between thegrooves 61 together against a tendency to spread laterally under thepressure exerted by the body portion of the spur projection as it isclamped in place.

Each'of the circumferential grooves 61 is individual to its owncolor-inking mechanism, and accordingly the spur gear or wheel 58 ofeach particular color-inking mechanism will be arranged in line with itsparticular groove 61, so as to be actuated by the spur projection 60,carried thereon, and not be effected by any of the spur projections inthe other grooves.

With the above-described mechanism any desired number of the operatingspur projections 60 may be used in any one containinggroove 61, so as tothrow the inking mechanism from a dormant to an active position one ormore times during a revolution of the printing-cylinder. A

In my preferred construction as illustrated in the drawings each of theplateinking rollers 26 has independent connection with its individualrock-shaft 51, so that they will operate independent of each other,which is a feature of advantage in some classes of color-printing inwhich the colored inks must alternate frequently in the printingoperation. The scope of my invention, however, embraces the operation ofsuch inking-rollers in unison, as well as the omission of one of thesame and the inking of the printing-plate by the single remainingplate-inking roller.

The rock-shafts 40 and 51, heretofore described, are j ournaled in theside housings 20 and are provided with adjustable spring connections asfollows: 67 are flanged bearingbushings turning in said housings andhaving a central bore that forms a bearing for the aforesaid rock-shaftsas well as lateral projections 68, by which they are adjusted in arotary manner. (See Fig. 14.) 69 is aradial set-screw passing in throughthe housing to bear upon the said bushing and lock it at the requiredadjustment. 70 is a coiled spring encircling the shaft 51, one end beingsecured to the adjustable bushing 67 and the other end to a collar 71 onthe shaft 51. With the above construction the tension of the springs 70can be readily adjusted, so as to regulate the'force or tendency of theshaft in the required direction.

The vertically-moving heads 52 will usually consist of duplicate piecesarranged at opposite sides of the housing 20 and secured to- .gether atbottom by connecting-screws 7 2,car-

rying thimbles 73, that bear in the elongated guide-slots 74 in thehousing 20, while the top part is connected together by aconnectingscrew 75, passing into the guide-lug 76, moving in anelongated guide-slot in the housing 20, as illustrated in Figs. 4, 7, 8,16, and 15.

As usual in the present class of printingmachines the printing cylinder4 will be formed with a series of transversely-extending undercutgrooves 77 in its periphery to receive the clamps 78, by which thecurved printing-plates 79 are secured in place upon the periphery of theprinting-cylinder. In the present invention these clamps will consist ofa body portion fitting the undercut grooves 77 and a top plate-clampingportion 80, adapted to engage the beveled edge of the printing-plate, asshown in Fig. 12, and hav-- ing attachment to the body portion by meansof duplicate attaching-bolts 81 82, the outermost one of which isadapted to be screwed up first to secure the clamp in position and theinner one to be then screwed up, so as to firmly clamp theprinting-plate in proper position upon the printing-cylinder. Usuallythe main portion of the clamping-plate will fit within a surface grooveor undercut 83 in the periphery of the printing-cylinder, as shown inFigs. 11 and 12.

Motion is communicated from the drivingshaft 8 of the machine by meansof a pinion 84 thereon, that gears with and drives the gear-wheel 85 onthe shaft of the mainprinting-cylinder 4.

The impression-cylinder 6 is driven by the intermediate wheels 86 and 87gearing with the secondary gear-wheel 88 of the printingcylinder 4 andwith the gear-wheel 89 on the shaft of the impression -cylinder 6, thearrangement being the usual one for admitting of a vertical adjustmentof the impression-cylinder in the practical use of the printing-machine.

The endwise-reciprocating ink-spreading roller 25 receives its rotarymotion from the gear-wheel on the shaft 3 of the main printing-cylinderthrough the intermediate or idler gears and 91 turning on a journal-studfixed on the housing 20 and a pinion 92 on the shaft of 'said spreadingroller. The gearwheels 90 and 91 are integrally or rigidly con-- nectedtogether, and the gear QO-meshes with and is driven by the gear-wheel85, while the gear-wheel 91 gears with and drives the pinion 92 of thespreading-roller shaft, as illustrated in Figs. 2, 7, and 13.

Having thus fully described my said invention, what I claim as new, anddesire to secure actuating the said series of operating mech anisms,substantially as set forth.

2. In a color-printing machine, the combination with the rotaryprinting-cylinder, of a series of independent plate-inking rollers,adapted to have movement to and from the printing-plate, independent cammechanisms for moving said rollers, each comprising a rock-shaftcarrying a pair of rock-arms, suspension-hooks connecting theinking-roller to the rook-arms, a vertically-moving head havingoperative connection with the rock-shaft, and a cam actuating said head,and an operating mechanism revolving with the printingcylinder, andadapted to intermittently move the operating-cams of the series ofinkingrollers, substantially as set forth.

3. In a color-printing machine the combination with the rotaryprinting-cylinder, of a series of independent plate inking rollersadapted to have movement to and from the printing-plate, independentmechanism for moving said rollers, each comprising a pair of rock-shaftscarrying pairs of rock-arms, suspension-hooks connecting theinking-rollers to the rock-arms, vertically-moving heads havingoperative connection with the rockshafts, and cams actuating said heads,operating mechanisms revolving with the printing-cylinder and adapted tointermittently and independently move the operating-cams, of the seriesof inking-rollers, substantially as set forth.

f 4 In a color-printing machine, the combination with the rotaryprinting-cylindelyof a series of independent plate inking rollersadapted to have movement to and from the printing-plate, independent cammechanisms for moving said rollers, and an operating mechanism revolvingwith the printing-cylinder, and common to the series of such cammechanisms, such operating mechanism comprising a drum revolving withthe printingcylinder, and carrying a series of operating projections,that intermittently actuate the cam mechanisms, substantially as setforth.

5. In a color-printing machine the combination with the rotaryprinting-cylinder, of a series of independent plate-inking rollersadapted to have movement to and from the printing-plate, independent cammechanisms for moving said rollers, each comprising a rock-shaftcarrying 'a pair of rock-arms, suspension-hooks connecting theinking-rollers to the rock-arms, a vertically-moving head havingoperative connection with the rockshaft, and a cam actuating said head,and an operating mechanism revolving with the printing-cylinder andadapted to intermittently move the operating-cams of the series ofinking-rollers, such operating mechanism comprising a drum revolvingwith the printin g-cylinder, and carrying a series of operatingprojections that intermittentlyactuate the cam mechanisms, substantiallyas set forth.

6. In a color-printing machine, the combination with the rotaryprinting-cylinder of a series of independent plate-inking rollersadapted to have movement to and from the printing-plate, independentmechanisms for moving said rollers, each comprising a pair ofrock-shafts carrying pairs of rock-arms, suspension-hooks connecting theinking-rollers to the rock-arms, vertically-moving heads havingoperative connection with the rockshafts, and cams actuating said heads,and an operating mechanism revolving with the printing-cylinder andadapted to intermittently move the operating-cams of the series ofinking-rollers, such operating mechanism comprising a pair of drumsrevolving with the printing-cylinder, and carrying a series of operatingspur projections, each of which is adapted to independently andintermittently actuate its individual cam mechanism,

substantially as set forth.

7. In a color-printing machine, the combi nation with the rotaryprinting-cylinder, of a series of independent plateinking rollersadapted to have movement to and from the printing-plate, independent cammechanisms for moving said rollers, and an operating mechanism revolvingwith the printing-cylinder and common to the series of such cammechanisms, such operating mechanism comprising a drum revolving withthe printingcylinder, and provided with a series of peripheral grooves,and projections arranged therein, that are adapted to intermittentlyactuate the cam mechanisms, substantially as set forth.

8. In a color-printing machine, the combination with the rotaryprinting-cylinder, of a series-of independent plate-inking rollers,adapted to have movement to and from the printing-plate, independent cammechanisms for moving said rollers, each comprising a rock-shaftcarrying a pair of rock-arms, suspension-hooks connecting theinking-rollers to the rock-arms, a vertically-moving head havingoperative connection with the rockshaft, and a cam actuating said head,and an operating mechanism revolving with the printing-cylinder, andcomprising a drum provided with a series of peripheral grooves andprojections arranged thereimthat are adapted to intermittently actuatethe cam mechanism, substantially as set forth.

9. In a color-printing machine the combination with the rotaryprinting-cylinder, of a series of independent plate-inking rollersadapted to have movement to and from the printing-plate, independentmechanisms for moving said rollers, each comprising a pair ofrock-shafts carrying pairs of rock-arms, suspension-hooks connecting theinking-rollers to the rock-arms, vertically-moving heads havingoperative connection with the rockshafts, and cams actuating said heads,and an operating'mechanism revolving with the printing-cylinder andadapted to intermittently move the operating-cams of the series ofinking-rollers, such operating mechanism comprising drums provided witha series of peripheral grooves and projections, each of which is adaptedto independently and intermittently actuate its individual cammechanism, substantially as set forth.-

10.- In acolor-printing machine, the combination with the rotaryprinting-cylinder, of a series of independent plate-inking rollersadapted to have movement to and from the printing-plate, independent cammechanisms for moving said rollers, each comprising a rock-shaftcarrying a pair of rock-arms, suspension-hooks connecting theinking-rollers to the rock-arms, a vertically-moving head havingoperative connection with the rock shaft, a cam engaging said head, anda sprocket-wheel on the cam-shaft, and an operating mechanism revolvingWith the printingcylinder, and carrying means by which the sprocketwheels are intermittently turned, substantially as set forth.

11. In a color-printin g machine, the combination with the rotaryprinting-cylinder, of a series of independent plate inking rollersadapted to have movement to and from the printing-plate, independentmechanisms for moving said rollers, each comprising a pair ofrock-shafts carrying pairs of rock-arms, suspension-hooks connecting theinking-rollers to the rock-arms, vertically-movin g heads havingoperative connection with the rockshafts, cams engaging said heads andsprocket-wheels on the cam-shafts, and an operating mechanism revolvingwith the printingcylinder, and carrying individual means by which thesprocket-wheels are independently and intermittently turned,substantially as set forth.

12. In a color-printing machine, the combination with the rotaryprinting-cylinder, of a series of independent plate inking rollersadapted to have movement to and from the printing-plate, independent cammechanisms for moving said rollers the cam-shafts of which carrysprocket-Wheels, and a main operating mechanism revolving with theprinting-cylinder, such operating mechanism com prising a revolving drumcarrying a series of spur projections, that intermittently actuate thesprocket-wheels of the cam mechanisms, substantially as set forth.

13. In a color-printing machine, the combination With the rotaryprinting-cylinder, of a series of independent plate inking rollersadapted to have movement to and from the printing-plate, independent cammechanisms for moving said rollers each comprising a rockshaft carryinga pair of rock-arms, suspension-hooks connecting the inking-rollers tothe rock-arms, a vertically-moving head having operative connection withthe rock-shaft, a cam actuating said head, and a sprocketwheel on thecam-shaft, and a main operating mechanism revolving with theprintingcylinder such operating mechanism comprising a revolving drumcarrying a series of spur projections that intermittently actuate thesprocket-wheels of the cam mechanisms, substantially as set forth.

14. In a color-printing machine, the combination with the rotaryprinting-cylinder of a series of independent plate -inking rollersadapted to have movement to and from the printing-plate, independentmechanisms for moving said rollers, each comprising a pair ofrock-shafts, carrying pairs of rock-arms, suspension hooks connectingthe inkingrollers to the rock-arms, vertically-moving heads havingoperative connection with the rock-shafts, cams actuating said heads,and sprocket-wheels on the cam-shafts, and a main operating mechanismrevolving with the printing-cylinder, such operating mechanismcomprising revolving drums carrying a series of individual spurprojections, that independently and intermittently actuate thesprocket-Wheels of the cam mechanisms, substantially as set forth.

151 In a color-printing machine, the combinationwith the rotaryprinting-cylinder, of a series of independent plate inking rollersadapted to have movement to and from the printing-plate, independent cammechanisms for moving said rollers, the cam-shafts of which carrysprocket-Wheels, and a main op erating mechanism revolving with theprinting-cylinder, comprising a revolving drum provided with a series ofperipheral grooves and spur projections arranged therein, and which areadapted to intermittently actuate the sprocket-Wheels of the cammechanisms, substantially as set forth.

16. In a color-printing machine, the c0mbination with the, rotaryprinting-cylinder of a series of independent plate -inking rollers,adapted to have movement to and from the printing-plate, independent cammechanisms for moving said rollers, each comprising a rock-shaftcarrying a pair of rock-arms, suspension-hooks connecting theinking-rollers to the rock-arms, a vertically-moving head havingoperative connection with the rockshaft, a cam actuating said head, anda sprocket- Wheel on the cam-shaft, and a main operating mechanismrevolving with the printing-cylinder, and comprising a revolving drumprovided with a series of peripheral grooves and spur projectionsarranged therein, and which are adapted to intermittently actuate thesprocket-Wheels of the cam mechanisms, substantially as set forth.

17. In a color-printing machine, the combination with the rotaryprinting-cylinder, of a series of independent plate -inking rollersadapted to have movement to and from the printing-plate, independentmechanisms for moving said rollers, and comprising a pair of rock-shaftscarrying pairs of rock-arms, suspension-hooks connecting theinking-rollers to the rock-arms,vertically-moving heads having operativeconnection with the rock-shafts, cams actuating said heads, andsprocketwheels upon the cam shafts, and a main operating mechanismrevolving with the printing-cylinder, and comprising revolving drumsprovided with peripheral grooves and spur projections arranged therein,and which are adapted to intermittently actuate the sprocket-Wheels ofthe cam mechanisms, substantially as set forth.

18. In a color-printing machine, the combination of the plate-inkingroller, and its supporting mechanism, arranged between the side housings20, the operatin cam mechanism therefor arranged on the outside of saidhousings, the side housings 20 having elongated guide-slots, and thevertically-moving heads 52 formed in sections, arranged at oppositesides of the housing and connected together, so as to be guided by theguide-slots in the housings, substantially as set forth.

19. In an inking mechanism for printingmachines the combinationwith thefountainroller, oscillating transfer-roller and end wisereciprocatingspreadingroller, of the cams 38 and 42, on the shaft of thespreading-roller, the bell-crank lever 36,-pivoted to a transverse shaftof the housing 20, adjustable link connection 37, pawl 34, carrier35,and ratchetwheel 33 on the shaft of the fountain-roller, cam-arm at],rock-shaft 40, and arms 39 carrying the oscillating transfer-roller,substantially as set forth.

20. .In a color-printing machine, the combination with the series ofindependent colorinking mechanisms, and their differentendwise-reciprocating spreading-rollers, of an operating-cam 47 on theshaft of the main printing-cylinder, and sliding cross-heads 45,connecting the different rollers to the cam, said cam being common tothe series of inking mechanisms.

21. In a printing-machine, the combination of the side housings of theinking mechanism, provided with guide-slots 30, the cylindrical studs28, having non circular portions fitting the slots 30, attaching-nut 32,the inkpan 21, having yoke extensions 27, engaging the studs 28, andset-screws 29 for attaching the same together in circularly-adjustablemanner, substantially as set forth.

In a printing-machine, the combination with the vertically-adj ustableimpression-cylinder 6, of the journal-boxes 5, provided with bracketextensions 17, and the longitudinal side members of the table 9,attached to said bracket extensions in a rigid and substantial manner bya vertical series of bolts, substantially as set forth.

23. In a printing-machine the combination with the vertical] y-adjustable impression-cylinder 6 of the journal-boxes 5 formed with bracketextensions 17, abutment-ribs 18, and the longitudinal side members ofthe table 9, attached to said extensions, substantially as set forth.

24. In a printing-machine the combination with a rock-shaft of theinking mechanism, of the collar 71 on said shaft, the bushing 67.fitting a bore in the side housing, set-screw 69, and spring 70,surrounding the shaft with its ends attached respectively to the collarand to the bushing,substantially as set forth.

25. In a printing-machine the combination with a rock-shaft of theinking mechanism of the collar 71 on said shaft, the bushing 67 fittinga bore'in the side housing and provided with lugs 68, set-screw 29, andspring 70, sur

rounding the shaft with its ends attached respectively to the collar andto the bushing, substantially as set forth.

26. In a printing-machine, the combination of the drum 59 havingcirculargrooves 66, and undercut grooves 61, the sprocket projection having awedge-shaped body portion 63, at taching-bolt 62, and bridge-piece 64having downturned lips 65, substantially as set forth.

In testimony whereof witness my hand this 12th day of August, 1896.

- GEO. C. HALBLAUB.

In presence of- L. RUST, ROBERT BURNS.

(No Model.) 2 Sheets-Sheet l.

A. O. HANSEN.

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